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x Multiply

9 x 12 =

÷ Divide

36 ÷ 12 =

+ Addition

7 + 12 =

- Subtraction

105 - 12 =

**Multiply x * . () by twelve:**

12 groups of or 12 lots of

Learn your 12 times tables

Times by 10 then add 2 more

**Divide ÷ / by twelve:**

How many times does 12 go into

Break into 12 groups

Reverse 12x tables 3x12=36 so 36÷12=3 and 36÷3=12

**Add + twelve:**

Add 1 to the tens and 2 to the ones digit

Add 10 then add 2

**Take - twelve:**

Take 1 from the tens digit then 2 from the ones digit

Take 2 then take 10

Number in grey (left) x number in grey (top) = number in white __OR__ number in white ÷ number in grey = __other__ number in grey.

x | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|

11 | 0 | 11 | 22 | 33 | 44 | 55 | 66 | 77 | 88 | 99 | 110 | 121 | 132 |

Number in grey (left) + number in grey (top) = number in white __OR__ number in white - number in grey = __other__ number in grey.

+ | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|

11 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |

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